CN212985790U - High-torque crankshaft - Google Patents
High-torque crankshaft Download PDFInfo
- Publication number
- CN212985790U CN212985790U CN202021097383.6U CN202021097383U CN212985790U CN 212985790 U CN212985790 U CN 212985790U CN 202021097383 U CN202021097383 U CN 202021097383U CN 212985790 U CN212985790 U CN 212985790U
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- fastening screw
- main journal
- journal
- thread groove
- sleeve shaft
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a high torsion bent axle, including sleeve, preceding trunnion, rod journal, crank arm and main journal, the sleeve periphery is provided with the fixture block, preceding trunnion inner wall is provided with the draw-in groove that corresponds with the fixture block, the peripheral welding of preceding trunnion tip has fixed lug, fixed lug one end is provided with first fastening screw through running through the groove, the trunnion before first fastening screw tip runs through, the sleeve is epaxial to correspond the position with first fastening screw tip and runs through and has seted up first thread groove, the second thread groove has been seted up to first fastening screw tip one side, the second fastening screw who corresponds with the second thread groove is installed through the screw hole to fixed lug one side. This novel torsion that can bear is big, and anti-freeze effect is good, and the performance is good under the low temperature, and wear resistance is good, and long service life is fit for extensively using widely.
Description
Technical Field
The utility model relates to an engine part technical field, in particular to high torsion bent axle.
Background
In the field of engines, a crankshaft is an important transmission component, and the performance of the crankshaft directly influences the performance of the engine.
The prior crankshaft has the following defects: 1. the bearable torsion is small; 2. the anti-freezing effect is not good; 3. the wear resistance is poor. To this end, we propose a high torque crankshaft.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a high torque crankshaft, which can effectively solve the problems of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high-torque crankshaft, includes sleeve spindle, preceding main journal, rod journal, crank arm and main journal, the sleeve spindle periphery is provided with the fixture block, preceding main journal inner wall is provided with the draw-in groove that corresponds with the fixture block, the peripheral welding of preceding main journal tip has fixed lug, fixed lug one end is provided with first fastening screw through running through the groove, first fastening screw tip runs through preceding main journal, run through with first fastening screw tip corresponding position on the sleeve spindle and seted up first thread groove, the second thread groove has been seted up to first fastening screw tip one side, the second fastening screw that corresponds with second thread groove is installed through the screw hole to fixed lug one side, sleeve spindle, preceding main journal, rod journal and main journal extexine are provided with anti-freeze layer, the anti-freeze layer extexine is provided with the wearing layer.
Furthermore, the number of the clamping blocks is specifically set to be multiple groups and is uniformly distributed on the periphery of the sleeve shaft in a circumferential mode.
Furthermore, the anti-freezing layer is made of polyurethane anti-freezing coating by spraying.
Furthermore, the wear-resistant layer is made of ceramic wear-resistant paint through spraying.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through setting up the fixture block, the sleeve, the draw-in groove, fixed lug, first fastening screw, first thread groove, second fastening screw and second thread groove, insert the sleeve and establish in the front main journal, and make the fixture block of the peripheral evenly distributed of first thread groove be connected with the draw-in groove cooperation of front main journal inner wall, thereby it is convenient to carry on spacingly to the sleeve to recycle first fastening screw and be connected with the cooperation of first thread groove, utilize second fastening screw and second thread groove cooperation to be connected, thereby conveniently carry out spacing fixed to first fastening screw, thereby promote the fixed effect of being connected of sleeve inboard in front main journal greatly, utilize the multiunit fixture block that is circumference evenly distributed in the sleeve periphery, can promote the biggest radial load that the front main journal can receive greatly, thereby promote the torsion of this bent axle.
2. The anti-freezing layer is made of polyurethane anti-freezing coating in a spraying mode, the anti-freezing effect of the front main journal is conveniently improved, and the mechanical properties of the sleeve shaft, the front main journal, the connecting rod journal and the main journal are prevented from being reduced when the outside air temperature is low.
3. The wear-resistant coating is sprayed on the wear-resistant layer, so that the wear resistance of the sleeve shaft, the front main journal, the connecting rod journal and the main journal is conveniently improved, the wear speed in the use process is delayed, and the service life is prolonged.
Drawings
Fig. 1 is a schematic view of the overall structure of a high-torque crankshaft of the present invention.
Fig. 2 is a schematic diagram of the connection detail structure of the front main journal and the sleeve of the high-torque crankshaft of the present invention.
Fig. 3 is the utility model relates to a high torsion bent axle's freeze proof layer and wearing layer schematic structure.
In the figure: 1. a sleeve shaft; 2. a front main journal; 3. a connecting rod journal; 4. a crank arm; 5. a main journal; 6. fixing the bump; 7. a first fastening screw; 8. a second fastening screw; 9. a card slot; 10. a clamping block; 11. a first thread groove; 12. a second thread groove; 13. an anti-freeze layer; 14. and a wear-resistant layer.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, a high-torque crankshaft comprises a sleeve shaft 1, a front main journal 2, a rod journal 3, a crank arm 4 and a main journal 5, wherein a clamping block 10 is arranged on the periphery of the sleeve shaft 1, a clamping groove 9 corresponding to the clamping block 10 is arranged on the inner wall of the front main journal 2, a fixing lug 6 is welded on the periphery of the end portion of the front main journal 2, a first fastening screw 7 is arranged at one end of the fixing lug 6 through a through groove, the end portion of the first fastening screw 7 penetrates through the front main journal 2, a first thread groove 11 is arranged on the sleeve shaft 1 at a position corresponding to the end portion of the first fastening screw 7 through a through groove, a second thread groove 12 is arranged on one side of the end portion of the first fastening screw 7, a second fastening screw 8 corresponding to the second thread groove 12 is arranged on one side of the fixing lug 6 through a threaded hole, and an anti-freezing layer 13 is arranged on the outer surface of the sleeve shaft 1, and the outer surface layer of the anti-freezing layer 13 is provided with a wear-resistant layer 14.
The number of the clamping blocks 10 is specifically set to be multiple groups and is uniformly distributed on the periphery of the sleeve shaft 1 in a circumferential manner.
In this embodiment, as shown in fig. 2, the maximum radial load borne by the front main journal 2 can be increased and the torque can be increased by using a plurality of groups of fixture blocks 10 uniformly distributed on the periphery of the sleeve shaft 1 in a circumferential manner.
Wherein, the anti-freezing layer 13 is made of polyurethane anti-freezing coating by spraying.
In this embodiment, as shown in fig. 3, the anti-freezing layer 13 is made of a polyurethane anti-freezing coating by spraying, so that the anti-freezing effect of the front main journal 2 is conveniently improved, and the mechanical properties of the sleeve shaft 1, the front main journal 2, the connecting rod journal 3 and the main journal 5 are prevented from being reduced when the outside air temperature is low.
Wherein, the wear-resistant layer 14 is made by spraying ceramic wear-resistant paint.
In this embodiment, as shown in fig. 3, the wear-resistant layer 14 is made by spraying a ceramic wear-resistant paint, so that the wear resistance of the sleeve shaft 1, the front main journal 2, the connecting rod journal 3 and the main journal 5 can be conveniently improved, the wear speed in the use process can be delayed, and the service life can be prolonged.
It should be noted that, the utility model relates to a high-torque crankshaft, during operation, the sleeve shaft 1 is inserted into the front main journal 2, and the clamping blocks 10 evenly distributed on the periphery of the first thread groove 11 are connected with the clamping grooves 9 on the inner wall of the front main journal 2 in a matching way, the first fastening screw 7 is connected with the first thread groove 11 in a matching way so as to limit the sleeve shaft 1, the second fastening screw 8 is connected with the second thread groove 12 in a matching way so as to limit and fix the first fastening screw 7, thereby greatly improving the connecting and fixing effect of the sleeve shaft 1 on the inner side of the front main journal 2, the maximum radial load which can be borne by the front main journal 2 can be greatly improved by using the sleeve shaft 1 and the clamping blocks 10 on the periphery of the sleeve shaft 1, thereby improving the torque of the crankshaft, the anti-freezing layer 13 is made by spraying polyurethane coating (produced by limited company of near-building decorative materials), conveniently promote preceding main journal 2's freeze proof effect, prevent that outside air temperature from making sleeve 1 when lower, preceding main journal 2, rod journal 3 and main journal 5's mechanical properties descend, utilize wearing layer 14 to make for the spraying of ceramic wear-resistant coating (Guangzhou also receives new materials science and technology limited company production, model GN-704BW), conveniently promote sleeve 1, preceding main journal 2, rod journal 3 and main journal 5's wear resistance, thereby delay the wearing and tearing speed in the use, increase of service life.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a high torsion bent axle, includes sleeve shaft (1), preceding main shaft neck (2), connecting rod journal (3), crank arm (4) and main shaft neck (5), its characterized in that: a clamping block (10) is arranged on the periphery of the sleeve shaft (1), a clamping groove (9) corresponding to the clamping block (10) is formed in the inner wall of the front main journal (2), a fixing lug (6) is welded on the periphery of the end portion of the front main journal (2), a first fastening screw (7) is arranged at one end of the fixing lug (6) through a penetrating groove, the end portion of the first fastening screw (7) penetrates through the front main journal (2), a first thread groove (11) is formed in the position, corresponding to the end portion of the first fastening screw (7), on the sleeve shaft (1), a second fastening screw (8) corresponding to the second thread groove (12) is arranged on one side of the end portion of the first fastening screw (7), a freezing-resistant layer (13) is arranged on the outer surface layers of the sleeve shaft (1), the front main journal (2), the connecting rod journal (3) and the main journal (5) through threaded holes, and the outer surface layer of the anti-freezing layer (13) is provided with a wear-resistant layer (14).
2. A high torque crankshaft according to claim 1, wherein: the number of the clamping blocks (10) is specifically set into a plurality of groups and is uniformly distributed on the periphery of the sleeve shaft (1) in a circumferential manner.
3. A high torque crankshaft according to claim 1, wherein: the anti-freezing layer (13) is made of polyurethane anti-freezing paint by spraying.
4. A high torque crankshaft according to claim 1, wherein: the wear-resistant layer (14) is made by spraying ceramic wear-resistant paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021097383.6U CN212985790U (en) | 2020-06-15 | 2020-06-15 | High-torque crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021097383.6U CN212985790U (en) | 2020-06-15 | 2020-06-15 | High-torque crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212985790U true CN212985790U (en) | 2021-04-16 |
Family
ID=75424046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021097383.6U Active CN212985790U (en) | 2020-06-15 | 2020-06-15 | High-torque crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212985790U (en) |
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2020
- 2020-06-15 CN CN202021097383.6U patent/CN212985790U/en active Active
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